Home / 134,567,410.46-185,702,997.80-72,687,749.63

Finding the Fourth Proportional to 134,567,410.46, 185,702,997.80 and 72,687,749.63

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Solution

The fourth proportional to 134,567,410.46, 185,702,997.80 and 72,687,749.63 is: 100,309,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,567,410.46 : 185,702,997.80 = 72,687,749.63 : x
  2. Step 2: Convert to fraction form
    134,567,410.46/185,702,997.80 = 72,687,749.63/x
  3. Step 3: Cross multiply
    134,567,410.46x = 185,702,997.80 × 72,687,749.63
  4. Step 4: Simplify right side
    134,567,410.46x = 13,498,333,008,880,046
  5. Step 5: Solve for x
    x = 13,498,333,008,880,046/134,567,410.46
  6. Step 6: Final answer
    x = 100,309,079.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.